7. Filter Media Ratings Expressed as a
Beta Ratio Indicate a Media’s
Particle Removal Efficiency
Filter Media Ratings Expressed as a
Beta Ratio Indicate a Media’s
Particle Removal Efficiency
8.
9. ßeta Ratio x =
# of particles upstream
# of particles downstream
“x” = specific particle size
ß10 =
50,000
10,000
= 5